diff --git a/requirements.txt b/requirements.txt
index 221633c..f62f313 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ gunicorn
 absl-py==0.9.0
 astor==0.8.1
 Click==7.0
-Flask==1.1.1
+Flask==2.2.5
 gast==0.2.2
 google-pasta==0.1.8
 grpcio==1.27.2